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Finding the Fourth Proportional to 477,644.81, 716,639.45 and 240,809.13

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Solution

The fourth proportional to 477,644.81, 716,639.45 and 240,809.13 is: 361,300.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,644.81 : 716,639.45 = 240,809.13 : x
  2. Step 2: Convert to fraction form
    477,644.81/716,639.45 = 240,809.13/x
  3. Step 3: Cross multiply
    477,644.81x = 716,639.45 × 240,809.13
  4. Step 4: Simplify right side
    477,644.81x = 172,573,321,274.13
  5. Step 5: Solve for x
    x = 172,573,321,274.13/477,644.81
  6. Step 6: Final answer
    x = 361,300.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.